Maybe you could add a negative contrast in you model
On Thu, Apr 15, 2010 at 12:59 AM, Yunjie Tong <[log in to unmask]> wrote:
> Hi FSLers,
> Is there a easy way to generate the thresh_zstat for negative Z value (Z <
> -2.3, p=0.05)? The way I did is:
> fslmaths stats/zstat1 -mul -1 zstat1_neg
> fslmaths zstat1_neg -mas mask thresh_zstat1
>
> cluster -i thresh_zstat1 -c stats/cope1 -t 2.3 -p 0.05 -d 1.31102
> --volume=36509 --othresh=thresh_zstat1 -o cluster_mask_zstat1
> --connectivity=26 --olmax=lmax_zstat1.txt > cluster_zstat1.txt
>
> However, this requires me to get the DLH and volume for each subject. Is
> there better ways?
>
> Thanks,
>
> Yunjie
>
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--
Best Regards
Xue, Feng Phd. candidate
Major in Developmental Cognitive Neuroscience
National Key Laboratory of Cognitive Neuroscience and Learning
Beijing Normal University
Beijing, China. 100875
Tel: +86-13810154455
web: http://psychbrain.bnu.edu.cn
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